2049202455

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 3477565440

約数和(自身を除く): 1428362985

約数列:

[1, 3, 5, 15, 31, 59, 93, 113, 155, 177, 295, 339, 465, 565, 661, 885, 1695, 1829, 1983, 3305, 3503, 5487, 6667, 9145, 9915, 10509, 17515, 20001, 20491, 27435, 33335, 38999, 52545, 61473, 74693, 100005, 102455, 116997, 194995, 206677, 224079, 307365, 373465, 584985, 620031, 1033385, 1120395, 1208969, 2315483, 3100155, 3626907, 4406887, 6044845, 6946449, 11577415, 13220661, 18134535, 22034435, 34732245, 66103305, 136613497, 409840491, 683067485, 2049202455]

約数ペア:

[(1, 2049202455), (3, 683067485), (5, 409840491), (15, 136613497), (31, 66103305), (59, 34732245), (93, 22034435), (113, 18134535), (155, 13220661), (177, 11577415), (295, 6946449), (339, 6044845), (465, 4406887), (565, 3626907), (661, 3100155), (885, 2315483), (1695, 1208969), (1829, 1120395), (1983, 1033385), (3305, 620031), (3503, 584985), (5487, 373465), (6667, 307365), (9145, 224079), (9915, 206677), (10509, 194995), (17515, 116997), (20001, 102455), (20491, 100005), (27435, 74693), (33335, 61473), (38999, 52545)]